bus
boatbusballoonbicyclebargeBoeing 747 (a type of airplane, spelling of Boeing?)
a BMW starts with the letter b!!
One method of transportation that starts with the letter "b" is a bicycle. A bicycle is a human-powered vehicle with two wheels that is propelled by pedaling. It is a popular mode of transportation for short distances and promotes physical activity.
Beans
Bibb
Bree
butane
bumblebee
bomb
ballad
balet
Balladry or Ballard.